Home / 79,912.84-110,253.38-51,635.16

Finding the Fourth Proportional to 79,912.84, 110,253.38 and 51,635.16

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Solution

The fourth proportional to 79,912.84, 110,253.38 and 51,635.16 is: 71,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,912.84 : 110,253.38 = 51,635.16 : x
  2. Step 2: Convert to fraction form
    79,912.84/110,253.38 = 51,635.16/x
  3. Step 3: Cross multiply
    79,912.84x = 110,253.38 × 51,635.16
  4. Step 4: Simplify right side
    79,912.84x = 5,692,950,916.84
  5. Step 5: Solve for x
    x = 5,692,950,916.84/79,912.84
  6. Step 6: Final answer
    x = 71,239.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.